Who We Are

TJ Dijkstra 
Consultant and owner of Sigma QC

TJ is an international and cross-cultural leader in process & organizational optimization. He has a track record across 8 industries, 30 companies and over 100 projects that delivered performance improvements up to 50%.
As a certified Master Black Belt, he has a deep knowledge of Lean Management (including McKinsey’s 5 lenses approach), Six Sigma, Reengineering and transformations in manufacturing and service companies. Occasionally TJ is a key-note speaker on these topics.

TJ led project teams with consultants and local subject matter experts that improved constraints in organizations by using an extended toolkit of methodologies. He supported and advised Executive Management Teams to transform organizations into successful enterprises that serve their customers better and are attractive to work for.

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